| 发明名称 | Cryogenic refrigerator | ||
| 摘要 | A cryogenic refrigerator includes a compressor that compresses a working gas; a displacer to which the working gas compressed by the compressor is supplied; a drive mechanism that includes a drive shaft and is configured to drive the displacer; a motor that drives the drive mechanism; a housing that accommodates the drive mechanism; a valve mechanism that adjusts a pressure of the working gas supplied to the displacer; a pipe that supplies the working gas from the compressor to the valve mechanism; and a branch pipe that branches out from the supply pipe and is connected to a space formed between the drive shaft and the housing. | ||
| 申请公布号 | US9395108(B2) | 申请公布日期 | 2016.07.19 |
| 申请号 | US201414151910 | 申请日期 | 2014.01.10 |
| 申请人 | SUMITOMO HEAVY INDUSTRIES, LTD. | 发明人 | Morie Takaaki;Xu Mingyao |
| 分类号 | F25B9/00;F25B9/14 | 主分类号 | F25B9/00 |
| 代理机构 | IPUSA, PLLC | 代理人 | IPUSA, PLLC |
| 主权项 | 1. A cryogenic refrigerator, comprising: a compressor that compresses a working gas; a displacer to which the working gas compressed by the compressor is supplied; a drive mechanism that includes a drive shaft and is configured to drive the displacer; a motor that drives the drive mechanism; a housing that accommodates the drive mechanism; a valve mechanism that adjusts a pressure of the working gas supplied to the displacer; a pipe that supplies the working gas from the compressor to the valve mechanism; a branch pipe that branches out from the supply pipe and is connected to a space formed between the drive shaft and the housing and a slipper seal that is arranged between the drive shaft and the housing. | ||
| 地址 | Tokyo JP | ||